Matthew 15:18
But those things which proceed out of the mouth come forth from the heart, and they defile the man.
Matthew 12:34
O generation of vipers, how can ye, being evil, speak good things? For out of the abundance of the heart the mouth speaks.
Proverbs 15:2
The tongue of the wise shall adorn wisdom, but the mouth of fools shall speak foolishness.
Proverbs 15:28
The heart of the righteous studies to answer, but the mouth of the wicked pours out evil things.
Matthew 15:11
not that which goes into the mouth defiles the man; but that which comes out of the mouth, this defiles the man.
James 3:6-10
And the tongue is a fire, a world of iniquity: so is the tongue among our members, that it defiles the whole body and sets on fire the course of our nature; and it is set on fire of hell.
1 Samuel 24:13
As saith the proverb of the ancients, Wickedness proceeds from the wicked, but my hand shall not be upon thee.
Psalm 36:3
The words of his mouth are iniquity and deceit; he has left off to be wise and to do good.
Proverbs 6:12
A wicked man of Belial walks with a perverse mouth.
Proverbs 10:32
The lips of the righteous shall know the will of God, but the mouth of the wicked speaks perversion.
Luke 19:22
Then he said unto him, Out of thine own mouth I will judge thee, thou wicked slave. Thou knewest that I was an austere man, taking up that which I did not lay down, and reaping that which I did not sow;
Revelation 13:5-6
And there was given unto it a mouth speaking great things and blasphemies; and power was given unto it to continue forty and two months.